QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000cmdd
USGS usp000cmdd
17 Feb 2004, 07:46
27 km SE of Nemuro, Japan
A magnitude 5.5 mwc earthquake at 40.3 km depth.
Published location
Where is 27 km SE of Nemuro, Japan?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
43.144000, 145.816000
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What the numbers mean
Magnitude measures event size; depth locates the source below the surface. Neither value alone establishes local damage or personal risk.
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Use local emergency authorities and the live USGS event page. This historical evidence page is not an alert service.
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Nearby events with a similar magnitude
Catalog fields and provenance
Event ID
usp000cmdd
Coordinates
43.144, 145.816
Network
us
Significance
465